Float chamber



Patented May 1Q, i927,

Application filed January yl`his invention relates to iefrigerating apparatus and refers more paiticularlyto the float chambers thereof.

the appended claim.. y

ln the accompanying drawing:

Figure 1 is a vertical section through a float chamber 4embodying my invention ratus. v

ingenlargement 7 of the cap and ed with the spaced longitudinally A Slli A n object of the invention is to provide a float chamber having a closiur provided with passages through which the refrigerating medium may be sup and removed from the chamber and also provid-ed with means for suppor the valve controlling the 'liow of the medium through one of the passages as wel pivot for the float arm hat actuates the falve whereby these parts may be applied to or removed from the chamber as a unit.

Another object is to provide a simple and compact construction that may be manufactured at a comoaratively low cost lViththe above and other object the invention consists in certain novel 20 tures of construction, combinations and rangements of parts as will be more described and particularly pointed out in Figure 2- is an end view thereof.

Referring now to the drawing in like characters of reference designate corresponding parts throughout the severa views the numeral 1 designates a float chamber preferably having laterally extending feet 2 that are adapted to be attached to a suitable support such as the top o tank (not shown) of a refrigerating appa- The float chamber may be any shape d esired and may be constructed of any suitable inaterial, the chamber shown in tl drawing being preferably an elong ing having a closed end 3. The open end ofthe chamber is preferably closed by a cap Ll that is detachably secured to the chamber. This cap is also preferably a casting and has inlet and outlet passages and 6 respectively through which the refrigerating medium may be supplied to and removed from the chamber when the cap is attached thereto. The outlet passage preferably formed in an inwardly projector nnrn'orr', Mier-traan.

FLOAT CHAMBER.

7, 1924. Serial No. 684,861.

portions 8 and 9 respectively and a vertical portion 10 connecting the adjacent ends of 55 the portions 8 and 9. The portion 9 is preferably larger in diameter than the portion 8 and is adapted to be connected to a suitable conduit (not shown) for conveying` the refrigerating medium to the usual eapansion coils within the brine tank, while the portion 10 is relatively small in diameter and is preferably provided with a conical seat portion 11 at the upper end thereof for receiving the tapered end of a valve 12. This valve has an enlarged stem portion 13 that is slidably mounted in aligned vertical openings 14e and 15 respectively formed in the' enlargement 7 and in ahorizontal project-ion' 16 extending inwardly from the cap 70 Ll immediately below the inlet opening n For operating the valve 12, lpreferably provide a float 17 having a relatively long arm 18 that is preferably pivoted on a lug 19 projecting inwardly from the cap l in- 75 .termediate the projection 16 and enlargement 7 and that is connected to the stem 13 of the valve by a pin 20.' This pin preferably extends through the stem and loosely engages aligned elongated openings 21 in Q the bifurcated end portion of the arm 18. Thus, the valve 12 will be operated by the arm 18 of the float and the movement of thelatter will be controlled by the level of the refrigerating medium in the chamber.

From the foregoing description it will be apparent that all of the desired results are` obtained by the use of relatively few parts and that in view of the simplicity of construction the cost of manufacturing the chamber has been reduced to a minimum. Furthermore, repairs may be easily and quickly made when required by simply removing the cap which carries all of the working parts.

What l claim as my invention is: y -A lioat chamber for arefrigei'ating apparatus comprising a casing having an opening at one end thereof, of a cap for said opening having an inlet passage at the upper end thereof through which the refrigerant'inay be supplied to the chamber and having an inwardly extending enlargement, said enlargement having spaced longitudinally extending passages respectively open- 105 ing interiorly and exteriorly of said chaml lng pzmsnggo connecting sa l longltndlnnlly @monding psmsag'es, :1n inwardly @monding projection above the onlrugenlen, a` valve pin sldnbly mounted in the projection und enlargement lfm controlling the flow of fluid through the l'rnnsvol'sely extending passage, and means Loman@ l'o;` wonllolllng l'lw movenlont of szlltl vulve upon the (rap enlargement 10 e valve pin,

lnermecllato lille projection und plvotally connected to th :1nd n float *armed by sind ln tesnnony n/'llelfeolf .I :1l

THOMAS C. W 

